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Scripts/Spells: Implemented UnitTargetHandler spell script hook, it can be used to filter area targeting spells

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This commit is contained in:
Shauren
2011-01-21 23:42:51 +01:00
parent 76e4b6dda4
commit c2690f748b
6 changed files with 110 additions and 36 deletions
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src/server/game/Spells/SpellScript.h
+30 -9
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@@ -120,11 +120,12 @@ enum SpellScriptHookType
SPELL_SCRIPT_HOOK_BEFORE_HIT,
SPELL_SCRIPT_HOOK_HIT,
SPELL_SCRIPT_HOOK_AFTER_HIT,
SPELL_SCRIPT_HOOK_UNIT_TARGET_SELECT,
};
#define HOOK_SPELL_HIT_START SPELL_SCRIPT_HOOK_EFFECT
#define HOOK_SPELL_HIT_END SPELL_SCRIPT_HOOK_AFTER_HIT + 1
#define HOOK_SPELL_START SPELL_SCRIPT_HOOK_EFFECT
#define HOOK_SPELL_END SPELL_SCRIPT_HOOK_AFTER_HIT + 1
#define HOOK_SPELL_END SPELL_SCRIPT_HOOK_UNIT_TARGET_SELECT + 1
#define HOOK_SPELL_COUNT HOOK_SPELL_END - HOOK_SPELL_START
class SpellScript : public _SpellScript
@@ -135,6 +136,7 @@ class SpellScript : public _SpellScript
#define SPELLSCRIPT_FUNCTION_TYPE_DEFINES(CLASSNAME) \
typedef void(CLASSNAME::*SpellEffectFnType)(SpellEffIndex); \
typedef void(CLASSNAME::*SpellHitFnType)(); \
typedef void(CLASSNAME::*SpellUnitTargetFnType)(std::list<Unit*>&); \
SPELLSCRIPT_FUNCTION_TYPE_DEFINES(SpellScript)
@@ -158,21 +160,34 @@ class SpellScript : public _SpellScript
SpellHitFnType pHitHandlerScript;
};
class UnitTargetHandler : public _SpellScript::EffectHook
{
public:
UnitTargetHandler(SpellUnitTargetFnType _pUnitTargetHandlerScript, uint8 _effIndex, uint16 _targetType);
std::string ToString();
bool CheckEffect(SpellEntry const * spellEntry, uint8 targetType);
void Call(SpellScript * spellScript, std::list<Unit*>& unitTargets);
private:
SpellUnitTargetFnType pUnitTargetHandlerScript;
uint16 targetType;
};
#define SPELLSCRIPT_FUNCTION_CAST_DEFINES(CLASSNAME) \
class EffectHandlerFunction : public SpellScript::EffectHandler { public: EffectHandlerFunction(SpellEffectFnType _pEffectHandlerScript,uint8 _effIndex, uint16 _effName) : SpellScript::EffectHandler((SpellScript::SpellEffectFnType)_pEffectHandlerScript, _effIndex, _effName) {} }; \
class HitHandlerFunction : public SpellScript::HitHandler { public: HitHandlerFunction(SpellHitFnType _pHitHandlerScript) : SpellScript::HitHandler((SpellScript::SpellHitFnType)_pHitHandlerScript) {} }; \
class UnitTargetHandlerFunction : public SpellScript::UnitTargetHandler { public: UnitTargetHandlerFunction(SpellUnitTargetFnType _pUnitTargetHandlerScript, uint8 _effIndex, uint16 _targetType) : SpellScript::UnitTargetHandler((SpellScript::SpellUnitTargetFnType)_pUnitTargetHandlerScript, _effIndex, _targetType) {} }; \
#define PrepareSpellScript(CLASSNAME) SPELLSCRIPT_FUNCTION_TYPE_DEFINES(CLASSNAME) SPELLSCRIPT_FUNCTION_CAST_DEFINES(CLASSNAME)
public:
bool _Validate(SpellEntry const * entry);
bool _Load(Spell * spell);
void _InitHit();
bool _IsEffectPrevented(SpellEffIndex effIndex) {return m_hitPreventEffectMask & (1<<effIndex);};
bool _IsDefaultEffectPrevented(SpellEffIndex effIndex) {return m_hitPreventDefaultEffectMask & (1<<effIndex);};
bool _IsEffectPrevented(SpellEffIndex effIndex) { return m_hitPreventEffectMask & (1<<effIndex); }
bool _IsDefaultEffectPrevented(SpellEffIndex effIndex) { return m_hitPreventDefaultEffectMask & (1<<effIndex); }
void _PrepareScriptCall(SpellScriptHookType hookType);
void _FinishScriptCall();
bool IsInHitPhase() { return (m_currentScriptState >= HOOK_SPELL_HIT_START && m_currentScriptState < HOOK_SPELL_HIT_END); };
bool IsInEffectHook() { return (m_currentScriptState == SPELL_SCRIPT_HOOK_EFFECT); };
bool IsInHitPhase() { return (m_currentScriptState >= HOOK_SPELL_HIT_START && m_currentScriptState < HOOK_SPELL_HIT_END); }
bool IsInEffectHook() { return (m_currentScriptState == SPELL_SCRIPT_HOOK_EFFECT); }
private:
Spell * m_spell;
uint8 m_hitPreventEffectMask;
@@ -196,11 +211,17 @@ class SpellScript : public _SpellScript
// where function is: void function()
#define SpellHitFn(F) HitHandlerFunction(&F)
// example: OnUnitTargetSelect += SpellUnitTargetFn(class::function, EffectIndexSpecifier, TargetsNameSpecifier);
// where function is void function(std::list<Unit*>& targetList)
HookList<UnitTargetHandler> OnUnitTargetSelect;
#define SpellUnitTargetFn(F, I, N) UnitTargetHandlerFunction(&F, I, N)
// hooks are executed in following order, at specified event of spell:
// 1. BeforeHit - executed just before spell hits a target
// 2. OnEffect - executed just before specified effect handler call
// 3. OnHit - executed just before spell deals damage and procs auras
// 4. AfterHit - executed just after spell finishes all it's jobs for target
// 1. OnUnitTargetSelect - executed just before adding selected targets to final target list
// 2. BeforeHit - executed just before spell hits a target
// 3. OnEffect - executed just before specified effect handler call
// 4. OnHit - executed just before spell deals damage and procs auras
// 5. AfterHit - executed just after spell finishes all it's jobs for target
//
// methods allowing interaction with Spell object